Richardson is 24% cheaper than Downey.
When comparing Richardson, TX and Downey, CA, the overall cost of living indices are 128 and 169 respectively (national median = 100). Rent is $67/month cheaper in Richardson, saving renters about $804/year.
Median household income is $8,857/year higher in Richardson. Home values also differ significantly — the median in Richardson is $405,600 compared to $728,500 in Downey.
Texas has no state income tax, giving Richardson residents a significant tax advantage over California's 13.3% rate.
Richardson vs Downey — common questions
Other cost of living comparisons for Richardson and Downey